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Glite Dictionary
Placodermi

Placodermi

9.9
An extinct group of early fish with bony plates and simple jaws
  • noun
  • /plæˈkoʊdərmaɪ/
  • Specialized
translation icon : placodermo
  • The Placodermi were dominant marine animals during the Devonian period.

Examples

  • The Placodermi were among the dominant aquatic predators of the Devonian era.

  • The Placodermi were among the dominant aquatic predators of the Devonian era.

  • Fossils of Placodermi provide evidence for the early evolution of vertebrate jaws.

  • Museum displays often feature impressive reconstructions of ancient Placodermi.

  • Did you know that Placodermi had bony armor plates?

  • Fossils of Placodermi provide evidence for the early evolution of vertebrate jaws.

  • Museum displays often feature impressive reconstructions of ancient Placodermi.

Synonyms

placoderm
vsPlacodermi
  • Specialized
9.9

An extinct fish with bony plates on its head and upper body that had jaws

has identical meaning but uses a different scientific form

Surface Forms

Placodermi singular
Placodermis plural

Morphology

Placodermi = placoderm (opaque) = placo + derm + i

The step from the singular 'placoderm' to 'placodermi' is a straightforward Latin/biological pluralization using the suffix '-i'.

Etymology

Placodermi comes from Greek parts plako- meaning 'plate' and -derma meaning 'skin'. So, Placodermi means 'plate-skin', an easy picture for these ancient fish that had bony plates like armor.